Adjusted revenue:
Change in after tax income:
Marginal rates
Pre TCJA
TCJA
High
Higher
Standard deductions
Low
Medium low
Medium high
High
AMT exemption phaseout threshold
Low
High
AMT exemption amount
Low
High
Personal exemption amount
$0
$991
$4,150
$5,550
State and local tax deduction
$0
$10,000
$15,000
$20,000
Refundability threshold of child tax credit
$0
$1,250
$2,500
Refunable portion of the child tax credit
$1,000
$1,400
$2,000